package exception;

import java.awt.*;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.sql.SQLException;

public class ThrowsDemo {
    public void dosome()throws IOException, AWTException{}
}

class SubClass extends ThrowsDemo{
    // public void dosome()throws IOException,AWTException{}
      //允许不抛出任何异常
    //public void dosome(){}
      //允许只抛出部分异常
    //public void dosome()throws AWTException{}
      //允许抛出超类方法抛出异常的子类型异常
    // public void dosome()throws FileNotFoundException{}


    //不允许抛出额外异常(超类没有抛出的且也不存在继承关系的异常)
        //public void dosome()throws SQLException{}
    //不允许抛出超类异常的超类型异常
        //public void dosome()throws Exception{}
}
